Ronald Pierre Griessen

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Kortenhoef, NL

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Patents Grantslast 30 patents

Information Patent Grant
Reflecting device, solar collector, pitched roof provided with a so...
- Patent number 8,474,177
- Issue date Jul 2, 2013
- Vereniging Vu-Windesheim
- Ronald Pierre Griessen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Hydrogen-activated thin film switching device
- Patent number 5,635,729
- Issue date Jun 3, 1997
- U.S. Philips Corporation
- Ronald P. Griessen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
REFLECTING DEVICE, SOLAR COLLECTOR, PITCHED ROOF PROVIDED WITH A SO...
- Publication number 20110047869
- Publication date Mar 3, 2011
- VERENIGING VU-WINDESHEIM
- Ronald Pierre Griessen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Optical Switching Device
- Publication number 20080291452
- Publication date Nov 27, 2008
- ADVANCED CHEMICAL TECHNOLOGIES FOR SUSTAINABILITY
- Bernard Dam
- G02 - OPTICS